Alert archive / Georgia / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 8, NWS Atlanta, GA

February 6, 2008Fannin County, Murray County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 6, 2008, 8:21 AM EST for Fannin County, Murray County, Georgia. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Feb 6, 2008, 8:21 AM EST (13:21 UTC)
Expired
Feb 6, 2008, 8:45 AM EST
In force
24 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Fannin County, GA, Murray County, GA

The radar

The Northeast Alabama radar (KHTX), 128 km from the middle of the area, began a volume at 13:37 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 6, 5:06 AM ESTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 1.4 hours before the alert went out and 177 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2008-02-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2008-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 302 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
658 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
302 m²/s²
0-3 km storm-relative helicity
344 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KFFC 061321
SVRFFC
GAC111-213-061345-
/O.NEW.KFFC.SV.W.0008.080206T1321Z-080206T1345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
821 AM EST WED FEB 6 2008

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN FANNIN COUNTY IN NORTH CENTRAL GEORGIA
  NORTHERN MURRAY COUNTY IN NORTHWEST GEORGIA

* UNTIL 845 AM EST

* AT 818 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP TO 60
  MPH.  THIS STORM WAS LOCATED NEAR GREGORY...MOVING EAST AT 50 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO   
MCCAYSVILLE...CISCO...AND TENNGA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM EST WEDNESDAY MORNING
FOR NORTHWESTERN GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 200 PM EST WEDNESDAY AFTERNOON FOR NORTHWESTERN GEORGIA.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3500 8435 3499 8435 3487 8482 3490 8482
      3491 8484 3494 8484 3496 8481 3498 8481
      3501 8479
TIME...MOT...LOC 1321Z 255DEG 46KT 3496 8480

$$
2 follow-up statements
000 
WWUS52 KFFC 061331
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
830 AM EST WED FEB 6 2008

GAC111-213-061345-
/O.CON.KFFC.SV.W.0008.000000T0000Z-080206T1345Z/
FANNIN GA-MURRAY GA-
830 AM EST WED FEB 6 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 AM EST
FOR NORTHERN MURRAY AND NORTHWESTERN FANNIN COUNTIES...

AT 827 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP
TO 60 MPH. THIS STORM WAS LOCATED NEAR TENNGA AND GREGORY...AND 
MOVING EAST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MCCAYSVILLE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM EST WEDNESDAY MORNING
FOR NORTHWESTERN GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 200 PM EST WEDNESDAY AFTERNOON FOR NORTHWESTERN GEORGIA.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3500 8435 3499 8435 3487 8482 3490 8482
      3491 8484 3494 8484 3496 8481 3498 8481
      3501 8479
TIME...MOT...LOC 1330Z 254DEG 37KT 3498 8471

$$
000 
WWUS52 KFFC 061342
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
840 AM EST WED FEB 6 2008

GAC111-213-061348-
/O.EXP.KFFC.SV.W.0008.000000T0000Z-080206T1345Z/
FANNIN GA-MURRAY GA-
840 AM EST WED FEB 6 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MURRAY AND 
NORTHWESTERN FANNIN COUNTIES WILL EXPIRE AT 845 AM EST...

AT 840 AM EST...THE SEVERE THUNDERSTORM IS WEAKENING...SO THE SEVERE 
THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE AT 845 AM EST. THE 
WEAKENING STORM WAS LOCATED ABOUT 7 MILES EAST OF TENNGA...AND  
MOVING EAST AT 40 MPH. THIS WEAKENING TREND IS EXPECTED TO CONTINUE. 

REMEMBER...A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM EST 
WEDNESDAY AFTERNOON FOR NORTHWESTERN GEORGIA.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3500 8435 3499 8435 3487 8482 3490 8482
      3491 8484 3494 8484 3496 8481 3498 8481
      3501 8479
TIME...MOT...LOC 1338Z 254DEG 37KT 3500 8461

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 6, 6:21 AM ESTTornado WarningFFCDade39 min
Feb 6, 7:53 AM ESTTornado WarningFFCWalker14 min
Feb 6, 8:03 AM ESTSevere Thunderstorm WarningFFCCatoosa, Whitfield27 min
Feb 6, 10:00 AM ESTSevere Thunderstorm WarningFFCChattahoochee, Muscogee37 min
Feb 6, 11:32 AM ESTSevere Thunderstorm WarningFFCGreene, Morgan, Oglethorpe28 min
Feb 6, 2:21 PM ESTSevere Thunderstorm WarningFFCLaurens24 min
Feb 6, 2:21 PM ESTSevere Thunderstorm WarningFFCCrisp, Wilcox39 min
Feb 6, 2:30 PM ESTSevere Thunderstorm WarningFFCJohnson, Washington30 min
Feb 6, 2:40 PM ESTSevere Thunderstorm WarningFFCEmanuel, Treutlen35 min
Feb 6, 2:41 PM ESTSevere Thunderstorm WarningFFCDodge, Laurens34 min
Feb 6, 3:10 PM ESTSevere Thunderstorm WarningFFCEmanuel20 min
Feb 6, 6:26 PM ESTTornado WarningFFCMontgomery19 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2008Every severe thunderstorm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.